H31-341 Online Practice Questions and Answers

The OSN 1800V supports the following packet protection features:

A. Tunnel APS

B. LAG

C. TPS

D. PW APS

In the scenario where the non-convergence OTU processes OTN standard signals, both A and B are WDM sites.The OTU at station A accesses four channels of R_LOS signals on the client side. After being processed in the middle part and on the WDM side of the OTU at station A, the alarm signals are then sent to station B. The ODUk_PM_AIS alarm of the corresponding channel is generated in the middle part of station B. The ODUk_PM_AIS alarm is detected in the client device.

A. True

B. False

Which of the following statements about the electrical-layer overhead processing - source function are correct?

A. The OPUk performs client signal mapping, frequency adjustment, and rate adaptation in the transmit direction.

B. The ODUkT calculates the BIP-8 and writes the it into the TCMi.

C. OTUk calculates BIP-8 and writes it into SM, GCCO, FAS, and MAFS.

D. The ODUkP calculates overheads such as BIP-8, PM, and GCC1/2.

Dispersion compensation is not required for 40 Gbit/s and 100 Gbit/s coherent systems because the dispersion tolerance of coherent boards is large. NG WDM products do not support hybrid transmission of non-coherent and coherent networks.

A. True

B. False

Which of the following statements about MPLS is wrong?

A. MPLS has two planes: control plane and forwarding plane. The control plane is connection-oriented, the forwarding plane is connectionless.

B. MPLS is not a service or application. It is a standard routing and switching platform that supports various upper-layer protocols and services.

C. In the packet transport field, the MPLS technology is mainly used to construct tunnels to carry various types of services (for example, TDM, ATM, and Ethernet) transmitted by PWE3 to implement end-toend transmission of services on packet networks.

D. MPLS packet forwarding is based on labels.

Which of the following is not included in an ASON network?

A. ASON Domain

B. ASON NE

C. SC

D. TE Link

Which of the following statements about replacing the SCC board is incorrect?

A. In the case of the 1 + 1 hot backup of the SCC board, replacing the control board does not affect services when the active/standby switchover is performed.

B. After the SCC board is removed, the BD_STATUS and COMMUN_FAIL alarms are reported. After the new board goes online, these alarms need to be manually cleared.

C. If the software version of the new SCC board is later than equipment version, clear the database of the SCC board, and then downgrade the software on the SCC board to the same version as the equipment.

D. If the software version of the new SCC board is earlier than the equipment version, upgrade the software on the SCC board to the same version as the equipment.

In the case of the OptiX OSN equipment, when the standby board is normal, which of the following operations does not cause the active/standby switching of the cross-connect board or clock board?

A. Delete the active cross-connect board or clock board logically.

B. Open the upper and lower ejector levers of the active board at the same time.

C. Deliver the active/standby switchover command.

D. Perform a cold reset on the cross-connect or clock board.